OpsuBeatmap Player for Android is a free and open-source music game published by Anirudh Rahul. It is an open-source version of osu! written in Java that you can now play on your phone. With this app, you can download beatmaps from anywhere and play them on your phone. The game also allows you to post your scores on leaderboards to compete with friends.

Opsu is published under the GNU GPL v3 license, and its code can be found on GitHub. This app is a fork of the original Opsu designed specifically for Android devices. It offers a smooth and responsive gameplay experience, with intuitive controls that make it easy to play. The app also features artwork contributed by various artists, which you can explore in the Credits section.

Overall, OpsuBeatmap Player for Android is a fun and engaging music game that offers a unique and open-source gaming experience. With its user-friendly interface and customizable gameplay, this app is sure to provide hours of entertainment for players of all skill levels.